Wim Hartevelt

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Baarle-Hertog, BE

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Patents Grantslast 30 patents

Information Patent Grant
Tracing stencil tablet
- Patent number 4,563,154
- Issue date Jan 7, 1986
- S.D.V. Incorporated
- James W. Vandervort
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES